Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Core / CSharp / System / Windows / DataObjectEventArgs.cs / 1 / DataObjectEventArgs.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Base class for DataObject events arguments // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Base class for DataObject.Copying/Pasting events. /// These events are raised when an editor deals with /// a data object before putting it to clipboard on copy /// and before starting drag operation; /// or before Pasting its content into a selection /// on Paste/Drop operations. /// /// This class is abstract - it provides only common /// members for the events. Particular commands /// must use more specific event arguments - /// DataObjectCopyingEventArgs or DataObjectPastingEventArgs. /// public abstract class DataObjectEventArgs : RoutedEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates a DataObjectCopyEvent. /// This object created by editors executing a Copy/Paste /// and Drag/Drop comands. /// /// /// An event id. One of: CopyingEvent or PastingEvent /// /// /// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// internal DataObjectEventArgs(RoutedEvent routedEvent, bool isDragDrop) : base() { if (routedEvent != DataObject.CopyingEvent && routedEvent != DataObject.PastingEvent && routedEvent != DataObject.SettingDataEvent) { throw new ArgumentOutOfRangeException("routedEvent"); } RoutedEvent = routedEvent; _isDragDrop = isDragDrop; _commandCancelled = false; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// public bool IsDragDrop { get { return _isDragDrop; } } ////// A current cancellation status of the event. /// When set to true, copy command is going to be cancelled. /// public bool CommandCancelled { get { return _commandCancelled; } } #endregion Public Properties //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Public Methods ////// Sets cancelled status of a command to true. /// After calling this method the command will be /// stopped from calling. /// Applied to Drag (event="Copying", isDragDrop="true") /// this would stop the whole dragdrop process. /// ////// After an event has been cancelled it's impossible /// to re-enable it. /// public void CancelCommand() { _commandCancelled = true; } #endregion Public Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private bool _isDragDrop; private bool _commandCancelled; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Base class for DataObject events arguments // //--------------------------------------------------------------------------- using System; namespace System.Windows { ////// Base class for DataObject.Copying/Pasting events. /// These events are raised when an editor deals with /// a data object before putting it to clipboard on copy /// and before starting drag operation; /// or before Pasting its content into a selection /// on Paste/Drop operations. /// /// This class is abstract - it provides only common /// members for the events. Particular commands /// must use more specific event arguments - /// DataObjectCopyingEventArgs or DataObjectPastingEventArgs. /// public abstract class DataObjectEventArgs : RoutedEventArgs { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates a DataObjectCopyEvent. /// This object created by editors executing a Copy/Paste /// and Drag/Drop comands. /// /// /// An event id. One of: CopyingEvent or PastingEvent /// /// /// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// internal DataObjectEventArgs(RoutedEvent routedEvent, bool isDragDrop) : base() { if (routedEvent != DataObject.CopyingEvent && routedEvent != DataObject.PastingEvent && routedEvent != DataObject.SettingDataEvent) { throw new ArgumentOutOfRangeException("routedEvent"); } RoutedEvent = routedEvent; _isDragDrop = isDragDrop; _commandCancelled = false; } #endregion Constructors //------------------------------------------------------ // // Public Properties // //----------------------------------------------------- #region Public Properties ////// A flag indicating if this operation is part of drag/drop. /// Copying event fired on drag start, Pasting - on drop. /// Cancelling the command stops drag/drop process in /// an appropriate moment. /// public bool IsDragDrop { get { return _isDragDrop; } } ////// A current cancellation status of the event. /// When set to true, copy command is going to be cancelled. /// public bool CommandCancelled { get { return _commandCancelled; } } #endregion Public Properties //------------------------------------------------------ // // Protected Methods // //------------------------------------------------------ #region Public Methods ////// Sets cancelled status of a command to true. /// After calling this method the command will be /// stopped from calling. /// Applied to Drag (event="Copying", isDragDrop="true") /// this would stop the whole dragdrop process. /// ////// After an event has been cancelled it's impossible /// to re-enable it. /// public void CancelCommand() { _commandCancelled = true; } #endregion Public Methods //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields private bool _isDragDrop; private bool _commandCancelled; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- Inflater.cs
- UpDownEvent.cs
- StorageInfo.cs
- ClientSideQueueItem.cs
- DataRecordInternal.cs
- ProfileService.cs
- Rotation3DAnimationUsingKeyFrames.cs
- FontDifferentiator.cs
- ProcessInputEventArgs.cs
- EncodingTable.cs
- FontConverter.cs
- ImmutableAssemblyCacheEntry.cs
- FontDialog.cs
- MatrixUtil.cs
- ObjectDataSourceMethodEventArgs.cs
- RemotingConfiguration.cs
- OracleParameterBinding.cs
- ExcludePathInfo.cs
- ListViewPagedDataSource.cs
- X509UI.cs
- XmlFormatReaderGenerator.cs
- TabControl.cs
- ObjectViewFactory.cs
- CssTextWriter.cs
- CloudCollection.cs
- FixedPage.cs
- Image.cs
- WindowsAltTab.cs
- EmissiveMaterial.cs
- OleDbMetaDataFactory.cs
- ImageListUtils.cs
- SmtpTransport.cs
- RemoteWebConfigurationHostServer.cs
- ListViewTableCell.cs
- FontFamilyValueSerializer.cs
- PropertyManager.cs
- CookieParameter.cs
- SqlExpressionNullability.cs
- CustomGrammar.cs
- mactripleDES.cs
- RegexNode.cs
- XmlHelper.cs
- StackOverflowException.cs
- ItemCheckEvent.cs
- Visitor.cs
- RequestCache.cs
- SharedPersonalizationStateInfo.cs
- DataContractAttribute.cs
- EntityDesignerUtils.cs
- CodeTypeReference.cs
- GrabHandleGlyph.cs
- AudioSignalProblemOccurredEventArgs.cs
- MaskedTextProvider.cs
- FunctionCommandText.cs
- AbsoluteQuery.cs
- ListSourceHelper.cs
- Hyperlink.cs
- PasswordTextNavigator.cs
- InfoCardProofToken.cs
- SmiEventSink.cs
- ThreadAttributes.cs
- ConstructorExpr.cs
- ISAPIApplicationHost.cs
- TaskResultSetter.cs
- ProvidersHelper.cs
- HttpInputStream.cs
- CodeSpit.cs
- TransformedBitmap.cs
- XmlSerializerObjectSerializer.cs
- IndexedEnumerable.cs
- DataServicePagingProviderWrapper.cs
- Rectangle.cs
- RtfToken.cs
- EdgeProfileValidation.cs
- AspNetPartialTrustHelpers.cs
- RegexWriter.cs
- WebContext.cs
- SymLanguageVendor.cs
- BinaryFormatter.cs
- ClientSettingsSection.cs
- TextTreeNode.cs
- SQLUtility.cs
- XmlILIndex.cs
- WorkflowApplicationUnhandledExceptionEventArgs.cs
- MultiView.cs
- TextServicesManager.cs
- WsdlImporterElement.cs
- DefaultExpressionVisitor.cs
- Light.cs
- XmlNodeChangedEventManager.cs
- ActivityCodeDomSerializer.cs
- Accessible.cs
- CombinedGeometry.cs
- SamlAuthorizationDecisionClaimResource.cs
- ExpressionLink.cs
- PipelineModuleStepContainer.cs
- CodeIdentifier.cs
- DataBindingHandlerAttribute.cs
- AccessControlList.cs
- ZoneMembershipCondition.cs